It's not the incision technique.

那并不是切开的技术。

youdao

The technique involves making a tiny incision in the skin.

该技术需要在皮肤上切个小口。

《柯林斯英汉双解大词典》

Conclusion The open-heart surgery by lower half mini-sternotomy incision with beating heart is a safe, effective technique with less-injury.

结论胸骨下段小切口心脏不停跳心内直视手术是一种安全、有效且创伤小的技术。

youdao

There are two main approaches to repairing a hernia: an open repair that requires a large incision, or a minimally invasive laparoscopic technique, which uses a camera to guide instruments through a tiny incision.

WSJ: A Secret for Patients Undergoing Hernia Repair